pcjohn Well-known member Joined Apr 4, 2007 Messages 3,712 Reaction score 582 Jan 19, 2017 #1 Yes, it's the weird request of the day. I've built a prototype 93422 Ram tester and while I'm 99.99% sure it's working I don't have any actual bad chips to test in it. Thanks, JD
Yes, it's the weird request of the day. I've built a prototype 93422 Ram tester and while I'm 99.99% sure it's working I don't have any actual bad chips to test in it. Thanks, JD
Sprout Well-known member VAPS Joined Jun 15, 2010 Messages 1,398 Reaction score 118 Jan 19, 2017 #2 I'd expect you could use a dead 5101 as well for your purposes? I may have a dead 5101 around in a batch of scrap parts I recently picked up...
I'd expect you could use a dead 5101 as well for your purposes? I may have a dead 5101 around in a batch of scrap parts I recently picked up...
OP OP pcjohn Well-known member Joined Apr 4, 2007 Messages 3,712 Reaction score 582 Jan 19, 2017 #3 Sprout said: I'd expect you could use a dead 5101 as well for your purposes? I may have a dead 5101 around in a batch of scrap parts I recently picked up... Click to expand... That should work too. JD
Sprout said: I'd expect you could use a dead 5101 as well for your purposes? I may have a dead 5101 around in a batch of scrap parts I recently picked up... Click to expand... That should work too. JD
i86time Well-known member VAPS Joined Apr 3, 2011 Messages 2,257 Reaction score 410 Location Riverside, California Jan 19, 2017 #4 I have a couple bad 93422s around here somewhere if you need to borrow them. Yes, as weird as it sounds, I'll need them returned.
I have a couple bad 93422s around here somewhere if you need to borrow them. Yes, as weird as it sounds, I'll need them returned.
cwilbar Well-known member VAPS Joined Sep 8, 2015 Messages 1,209 Reaction score 31 Location Massachusetts Jan 19, 2017 #5 I had a bad 5101 around.... I'll look to see if it hasn't been tossed yet.
andrewb Well-known member VAPS Joined May 14, 2014 Messages 28,987 Reaction score 16,968 Location Portsmouth, New Hampshire Jan 19, 2017 #6 I have a bad 2101A I just pulled last night. PM if you want it. Happy to help the cause. (It's NOS, too! I think the soul is still in it.)
I have a bad 2101A I just pulled last night. PM if you want it. Happy to help the cause. (It's NOS, too! I think the soul is still in it.)
drewscruis Well-known member VAPS Joined Nov 30, 2004 Messages 3,021 Reaction score 167 Location Eden, New York Jan 21, 2017 #7 Have you looked at neoloch? He developed a ram tester not to long ago. I picked one up and it's pretty nice. here is his site http://neoloch.com/ Last edited: Jan 21, 2017
Have you looked at neoloch? He developed a ram tester not to long ago. I picked one up and it's pretty nice. here is his site http://neoloch.com/
OP OP pcjohn Well-known member Joined Apr 4, 2007 Messages 3,712 Reaction score 582 Jan 21, 2017 #8 I saw the Neoloch, but I have an old Ram tester and didn't want to spend the $ just to do one other chip. I threw this together and wrote the code all in 2 hours. The tester writes 0-15 in each location and reads it back. When the chip is done it blinks red for bad or green for good. I simulated a bad location by writing a different value to various locations that the read routine was not expecting. JD drewscruis said: Have you looked at neoloch? He developed a ram tester not to long ago. I picked one up and it's pretty nice. here is his site http://neoloch.com/ Click to expand... Attachments RamTest.jpg 133.1 KB · Views: 20
I saw the Neoloch, but I have an old Ram tester and didn't want to spend the $ just to do one other chip. I threw this together and wrote the code all in 2 hours. The tester writes 0-15 in each location and reads it back. When the chip is done it blinks red for bad or green for good. I simulated a bad location by writing a different value to various locations that the read routine was not expecting. JD drewscruis said: Have you looked at neoloch? He developed a ram tester not to long ago. I picked one up and it's pretty nice. here is his site http://neoloch.com/ Click to expand...